.page {
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #f4f4f4;
  }
  
  .swiper {
    flex: 1;
    overflow: auto;
    position: relative;
  }
  
  .swiper_back {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 1.6rem;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 2rem;
    position: fixed;
    left: 1.5rem;
    top: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
  }
  .activePage {
    background: #FF5500 !important;
    opacity: 1 !important;
  }
  .swiperImg {
    width: 100%;
  }
  .product {
    background-color: #fff;
    padding: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .product_price {
    color: #FF5500;
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
  }
  
  .product_stock {
    font-size: 1.4rem;
    color: #999999;
    margin-bottom: 1.5rem;
  }
  
  .product_title {
    font-size: 1.6rem;
    line-height: 1.6em;
    font-weight: bold;
  }
  
  .product_detail {
    display: flex;
    flex-direction: column;
  }
  
  .product_detail img {
    width: 100%;
  }
  
  .footer {
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    background: #fff;
    border-top: 1px solid #ededed;
  }
  
  .link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 1.2rem;
  }
  
  .link i {
    font-size: 2.4rem;
  }
  
  .addcart {
    height: 3.5rem;
    border-radius: 4rem;
    color: #fff;
    background: #FF5500;
    font-size: 1.6rem;
    padding: 0 2rem;
    outline: none;
    border: none;
  }
.wrap {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
  }
  .box {
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 1rem 1.5rem;
    font-size: 1.6rem;
    border-radius: 5rem;
    white-space: nowrap;
    max-width: 80%;
    text-align: center;
  }